How should I take hydrochlorothiazide?
Take this medication exactly as it was prescribed for you. Do not take the medication in
larger amounts, or take it for longer than recommended by your doctor. Follow the directions on
your prescription label.
Your doctor may occasionally change your dose to make sure you get the best results from
this medication.
To be sure this medication is not causing harmful effects, your blood pressure will need to
be checked on a regular basis. Do not miss any scheduled appointments.
Your blood and urine may both be tested if you have been vomiting or are dehydrated.
Hydrochlorothiazide can interfere with the results of a thyroid test. Tell any doctor who
treats you that you are using a thiazide diuretic.
If you are being treated for high blood pressure, keep using this medication even if you
feel fine. High blood pressure often has no symptoms.
Store the tablets at room temperature away from heat, light, and moisture.
What happens if I miss a dose?
Take the missed dose as soon as you remember. If it is almost time for your next dose,
skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this
medicine. Overdose symptoms may include
nausea, weakness, dizziness,
dry mouth, thirst, and
muscle pain or weakness.
What should I avoid while taking hydrochlorothiazide?
Avoid drinking alcohol, which can increase some of the side effects of
hydrochlorothiazide.
Avoid using other medicines that make you light-headed (such as cold medicine, pain
medication, muscle relaxers, and medicine for seizures, depression or anxiety). They can add to
the side effects of hydrochlorothiazide. Tell your doctor if you regularly use any of these
medicines, or any other blood pressure medications.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Follow
your doctor's instructions about the type and amount of liquids you should drink. In some cases,
drinking too much liquid can be as unsafe as not drinking enough.
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